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Tag: "preservation" at biology news

NC State scientist finds soft tissue in T. rex bones

...m modern specimens. Current theories about fossil preservation hold that organic molecules should not preserve beyond 100,000 years. Schweitzer hopes that further research will reveal exactly what the soft structures isolated from these bones are made of. Do they consist of the original cells, and if so, do the ...

Expression Project for Oncology (expO) completes first phase of standardized gene expression analyses

... collection efforts typically achieve a successful preservation rate of 75%. Due to close collaboration between the surgeons, pathologists, local clinical research coordinators and expO, the success rate achieved in preserving these samples was 100%. Such well-preserved tissue allows the subsequent analysis to mo...

Camera Traps Catch Eye of the Tiger

...ve significant implications for species and forest preservation here and around the world. "Sumatran tigers are critically endangered, with as few as 400 left in the wild," said Dr. Sybille Klenzendorf, lead scientist for WWF's tiger program. "We're racing to find out as much about them and where they live as we...

NIH Calls on Scientists to Speed Public Release of Research Publications

...ng from NIH-funded studies to ensure the permanent preservation of these vital research findings; 2. securing a searchable compendium of these research publications that NIH and its awardees can use to manage more efficiently and to understand better their research portfolios, monitor scientific productivity,...

Revueltosaurus skeleton unearthed at Petrified Forest upsets dinosaur tale

...ere rare and living in places not conducive to the preservation of fossils. But they definitely were not as common and diverse in the Late Triassic as some paleontologists have claimed. "Sauropodomorphs and theropods are geographically widespread by the end of the Triassic, though the theropods at this time also...

Agilent Technologies introduces high-capacity human protein removal system for proteomics research

...ere rare and living in places not conducive to the preservation of fossils. But they definitely were not as common and diverse in the Late Triassic as some paleontologists have claimed. "Sauropodomorphs and theropods are geographically widespread by the end of the Triassic, though the theropods at this time also...

New Scripps Oceanography project to study sediments and ecosystem restoration in Venice lagoon

... of the 21st century. So being part of this lagoon preservation effort is being part of history." "Scripps has a long history of collaboration with the scientists and citizens of Venice," said John Orcutt, deputy director of research at Scripps. "These projects extend from (Scripps Research Professor) Walter Mun...

Team of international scientists departs today to discover the unknown in China's Himalayan region

... as "protector of the sacred" has been integral to preservation in this region. One of the world's hotspots, the Mountains of Southwest China stretch over 161,500 miles and are the most botanically rich temperate region in the world with an estimated 12,000 plant species, including 3,500 found nowhere else. The...

Virginia Tech, Nanjing Institute researchers discover half-billion year-old fossils

...es tend to be deflated and squashed prior to their preservation in sandstones," Xiao said. This may change with the new discovery of Ediacara fossils from fine-grained limestone of the Dengying Formation in South China by Xiao and his collaborators. "The Ediacara fossils from China were not deflated before they ...

New antifreeze protein found in fleas may allow longer storage of transplant organs

...the organ is safely stored, there will be a longer preservation period." The hyperactive antifreeze protein produced by snow fleas is different from two other insect proteins discovered earlier at Queen's, the researchers say. "Unlike the antifreeze proteins in beetles and moths, AFPs in snow fleas break down...

Newly discovered birdlike dinosaur is oldest raptor ever found in South America

... Azara, are co-authors of the Nature paper. "The preservation of Buitreraptor is superb, and the rock layer it c...outhern continents. Nevertheless, their incomplete preservation led to some ambiguity and debate regarding their identities. The new discovery provides definitive...

Missing fossil link 'Dallasaurus' found

... that lend themselves fairly well to more complete preservation and conservation of their bones, and much slower deterioration. Mosasaur fossils, in contrast, are rarely found in large groupings, and are only found in areas once covered by seas. Remains were quick to deteriorate under ocean currents; their bodies...

Key brain regulatory gene shows evolution in humans

...gulatory sequence leading to humans that indicated preservation due to positive evolutionary selection. They also found an "evolution-by-association," in which sequences near the regulatory segment showed greater mutational change -- as if they were "dragged along" with the evolving regulatory sequence. In contr...

Paleontologists learn how not to become a fossil

...aid. "Small body size turns out to be bad news for preservation in general, and thus deep-sea species are undercaptured." Surprisingly, they found that burrowing clams living within sediments were no more likely to become fossils than similarly sized varieties that lived out in the open. Perhaps fittingly, para...

New tiger report release: Tiger habitat down from just a decade ago

...ervation efforts such as protection from poaching, preservation of prey species, and preservation of tigers' natural habitat have resulted in some populations remaining stable and even increasing. B...

Injection may prevent infertility in men receiving cancer chemotherapy

..."These results hold out much promise for fertility preservation in men undergoing cancer treatments", he said. "We now intend to study the mechanism of protection, which is still unclear. Our work suggests that in addition to the direct damage caused by the treatment, significant testicular damage is caused by...

New egg freezing technique offers hope to hundreds of women

...ing frozen-thawed eggs. "We concluded that oocyte preservation decreased the proportion of cleavage and grade 1 e...on of oocytes represent a realistic option for the preservation of fertility in women who are in need of aggressive treatment for malignant diseases." ...

AIDS vaccine research offers new insights on survival

... "This research underscores the importance of the preservation of memory CD4+ T cells for the long-term health of the HIV-infected individual," says Letvin. "It also suggests that the measurement of this cell in the blood of vaccinated individuals who subsequently become infected with HIV may provide an importan...

New technology addresses female fertility preservation

...s early stages, this work has implications for the preservation of fertility for women and girls with cancer," sai...ablishes a core technology for human egg banks for preservation of fertility." The technology mimics the ovary and its environment. Follicles (each follicle has on...

Age-related changes in DNA repair illuminate the connection between age and genetic damage

...l Press. DNA repair is essential for the accurate preservation of genetic information and to ensure the healthy functioning of cells, and a connection between aging and DNA damage has long been suspected. One line of evidence supporting the connection is that defects in certain genes needed for DNA repair produc...

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